00799cam a22002411 4500 s 13000129 DLC 20260227111911.0 771212s1881 dcu 000 0 eng c s 13000129 (OCoLC)3483849 Smithsonian inst. Library ViU DLC premarc Q11 .U6 no. 21 Ridgway, Robert, 1850-1929. Nomenclature of North American birds chiefly contained in the United States National Museum. By Robert Ridgway. Washington, Govt. Print. Off., 1881. 94 p. 24 cm. Bulletin of the United States Museum, no. 21 Smithsonian Institution publication 422. Birds Nomenclature. Birds North America. 52675 52675